Let h (t) = -16t^2 + 64t +80 represent the height of an object above the ground after t seconds. determine the height of the object after 3 seconds.

What is the upper quartile in the box plot?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?